Birthstone
Rock and birthstone are semantically related. in precious stone topic. In some cases you can use "Rock" instead a noun "Birthstone".
Rock
Rock noun - A usually valuable stone cut and polished for ornament.
Usage example: a trophy wife with enough rocks to open her own jewelry store
Cite this Source
Rock and Birthstone. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/birthstone/rock
Birthstone & Rock. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/birthstone/rock>.
Rock or Birthstone. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/birthstone/rock.
Google Ngram Viewer shows how "birthstone" and "rock" have occurred on timeline